Home / 251,921.34-376,038.86-222,028.83

Finding the Fourth Proportional to 251,921.34, 376,038.86 and 222,028.83

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Solution

The fourth proportional to 251,921.34, 376,038.86 and 222,028.83 is: 331,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,921.34 : 376,038.86 = 222,028.83 : x
  2. Step 2: Convert to fraction form
    251,921.34/376,038.86 = 222,028.83/x
  3. Step 3: Cross multiply
    251,921.34x = 376,038.86 × 222,028.83
  4. Step 4: Simplify right side
    251,921.34x = 83,491,467,010.19
  5. Step 5: Solve for x
    x = 83,491,467,010.19/251,921.34
  6. Step 6: Final answer
    x = 331,418.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.